ICD-10-CM > M00-M99 > M65-M67 > M65 > M65.2 > M65.27 M65.27 Calcific tendinitis, ankle and foot Non-Billable/Non-Specific Codes M65.271Calcific tendinitis, right ankle and footM65.272Calcific tendinitis, left ankle and footM65.279Calcific tendinitis, unspecified ankle and foot